John Duffield

• A contingent valuation assessment of Montana deer hunting
• A contingent valuation assessment of Montana waterfowl hunting
• Angler preference study final economics report
• Baseline recreation value of the Upper Clark Fork River Basin
• Economic analysis of the values of surface uses of state lands
• Economic analysis of the values of surface uses of state lands, task 3
• Montana coal market to the year 2000
• Over a Barrel
• Passive solar energy for residential space heating
• Projections of natural gas and electricity prices in western Montana
• Contingent Valuation Assessment of Montana Waterfowl Hunting : Hunter Attitudes and Economic Benefits
• Economic Analysis of the Values of Surface Uses of State Lands : Summary Report